Only 1914 Specimens: W. Monarch Butterfly Nearing Total Collapse; USFWS Does Nothing, Lawmakers Introduce Bills

(EnviroNews Nature) — Santa Cruz, California — There are two populations of monarch butterflies (Danaus plexippus) in the continental U.S. The eastern monarch resides east of the Rockies and overwinters in Mexico. The western monarch butterfly makes its home west of the Rockies and overwinters in California. Now, environmental…